pinouts of standard connectors I use.
CAIRO was pinched from http://www.familybest.co.uk/cairo/manual/data-card.html I use CAIRO-7 just to interface rigs and TNCs rather than running about in Hi-Viz.
12V Powerpoles
Same as these guys who use the same polarity as the radio ham community
It’s really, really, nice to see the tongue on the top if the red is on the RHS. Otherwise all sorts of bad stuff is gonna happen
From Torberry Connectors in the UK